Spring Support: Fix tests in IDEA 2017.1

Filter out duplicate reference targets.
Fix test data as directory references are available
inside of string literals.
Fix test data as Spring @Autowired inspection
no more reports parameterless methods.
Fix gutter checking as configuration bean references now resolve
to @ComponentScan annotation

ultimate/testData/inspections/spring/autowiring/inspectionData/expected.xml

@@ -49,15 +49,6 @@
         <description>Only one constructor can have @Autowired annotation</description>
     </problem>
 
-    <problem>
-        <file>parameterlessFunction.kt</file>
-        <line>15</line>
-        <module>light_idea_test_case</module>
-        <entry_point TYPE="file" FQNAME="temp:///src/parameterlessFunction.kt" />
-        <problem_class severity="WARNING" attribute_key="WARNING_ATTRIBUTES">Autowiring for Bean Class (Kotlin)</problem_class>
-        <description>Autowired method without parameters</description>
-    </problem>
-
     <problem>
         <file>invalidAutowiredResource.kt</file>
         <line>24</line>

ultimate/testData/spring/core/references/navigation/packageReferenceInComponentScan.kt

@@ -1,5 +1,6 @@
 // NO_XML_CONFIG
 // REF: java
+// REF: java.java
 
 import org.springframework.context.annotation.ComponentScan
 import org.springframework.context.annotation.Configuration